Telltale Inc has Back to the Future Ep 1 HD (iTunes Link) in the iTunes App Store for FREE ($6.99 value) for a limited time.

In Episode 1, Marty McFly is just getting re-acquainted with the 1980s when the DeLorean Time Machine he saw destroyed by a speeding train materializes before him. He finds out that Doc Brown is trapped somewhere in the past and that he must travel back in time to save the Doc’s future!

• Play as Marty in a cinematic adventure true to the films
• Features likenesses of Marty & Doc, with Christopher Lloyd returning to voice Doc
• Collaboration with Bob Gale, Film Trilogy Co-Creator/Co-Writer
• 5 monthly episodes